The Tamron 13VM2811ASIR is a fully manual varifocal industrial lens designed for Day/Night security cameras. It uses special glass composites and anti-reflective coatings that allow these special cameras to focus accurately in infrared and visible light spectra.
Wide Range of Focal Lengths
This varifocal lens ranges from 2.8 mm to 11 mm so it can be used anywhere you might need it. At full wide 2.8 mm the lens shows 80° horizontal angle view. At full telephoto 11 mm the lens shows 25° horizontal angle.
Special Glass
The Tamron infrared lenses are made with special glass composites and advanced coatings. These advanced features allow Day/Night cameras to auto focus accurately in infrared and visible light spectra.
Lock Setting Rings
This is a fully manual lens for industrial cameras. The focus, zoom and iris rings can all be locked into place so vibrations won’t change your settings.
In the Box
Tamron 13VM2811ASIR 1/3″ CS Mount 2.8-11mm f/1.4 Manual Iris Lens
2-Year Parts and Labor Warranty
Specification:
| Mount | CS-Mount |
| Image Format | 1/3″ CCD |
| Focal Length | 2.8 mm to 11 mm Varifocal with Manual Setting |
| Aperture | f/1.4 |
| Iris Type | Manual |
| Focus Type | Manual |
| Horizontal View Angle | 80° Horizontal Angle at 2.8 mm 25° Horizontal Angle at 11 mm |
| Minimum Object Distance (M.O.D.) | Not Specified by Manufacturer |
| Macro | No |
| Dimensions (WxHxD) | 1.7 x 1.7 x 2.1″ (44 x 44 x 54.8 mm) |
| Weight | 2.5 oz (72 g) |
